Have you been looking for the perfect way to teach your aging parents or grandparents about these fancy new computers the kids are always talking about? It turns out the Navy was too—back in 1962—so it commissioned this educational film to get its engineers up to speed.

It's hilariously dated, but damned if we didn't learn something about the history of computing, and where some of the modern technological terms we use originated. So let that be a lesson: pay attention because you might actually learn something from your rambling elders. [YouTube]